Examlex
Which of the following is a meal that would represent foods that help prevent cancer?
Independent Variable
In research, a variable that is manipulated or changed to observe its effect on a dependent variable.
Longitudinal Studies
Research design that involves repeated observations of the same variables over short or long periods of time.
Risk Factor
An aspect or variable that increases the likelihood of developing a disease or injury.
Prospective Studies
Longitudinal studies that begin with a disease-free group of subjects and follow the occurrence of disease in that population or sample.
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